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-rw-r--r--src/afl-fuzz-redqueen.c4
-rw-r--r--src/afl-fuzz-run.c2
2 files changed, 3 insertions, 3 deletions
diff --git a/src/afl-fuzz-redqueen.c b/src/afl-fuzz-redqueen.c
index 1e4b1b3c..2f32ef1e 100644
--- a/src/afl-fuzz-redqueen.c
+++ b/src/afl-fuzz-redqueen.c
@@ -2136,7 +2136,7 @@ static u8 rtn_extend_encoding(afl_state_t *afl, u8 entry,
 
       if ((i % 2)) {
 
-        if (len > idx + i && is_hex(orig_buf + idx + i)) {
+        if (len > idx + i + 1 && is_hex(orig_buf + idx + i)) {
 
           fromhex += 2;
 
@@ -2323,7 +2323,7 @@ static u8 rtn_extend_encoding(afl_state_t *afl, u8 entry,
         if (unlikely(its_fuzz(afl, buf, len, status))) { return 1; }
         // fprintf(stderr, "RTN ATTEMPT fromhex %u result %u\n", fromhex,
         // *status);
-        memcpy(buf + idx + i, save + i, i + 1 + off);
+        memcpy(buf + idx, save, i + 1 + off);
 
       }
 
diff --git a/src/afl-fuzz-run.c b/src/afl-fuzz-run.c
index 5da0e583..2a9d186b 100644
--- a/src/afl-fuzz-run.c
+++ b/src/afl-fuzz-run.c
@@ -232,7 +232,7 @@ static void write_with_gap(afl_state_t *afl, u8 *mem, u32 len, u32 skip_at,
 
       memcpy(afl->fsrv.shmem_fuzz, mem, skip_at);
 
-      memcpy(afl->fsrv.shmem_fuzz, mem + skip_at + skip_len, tail_len);
+      memcpy(afl->fsrv.shmem_fuzz + skip_at, mem + skip_at + skip_len, tail_len);
 
     }